Examlex
Describe how the therapeutic index of a drug is determined and explain its function.
Nicotine
A stimulant and addictive substance found in tobacco.
Western Societies
Societies located in the Western hemisphere, often characterized by specific cultural, economic, and legal practices.
Psychoactive Drugs
Psychoactive drugs are substances that affect the brain's function, leading to alterations in perception, mood, consciousness, cognition, or behavior.
Chemical Substances
Matter of definite chemical composition and characteristic properties, which may consist of one type of atom or of a compound.
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